:root {
    --ss-ink: #172033;
    --ss-muted: #667085;
    --ss-line: #d7e0ea;
    --ss-paper: #ffffff;
    --ss-soft: #f4f7fa;
    --ss-dark: #10243f;
    --ss-accent: #0f7a5f;
    --ss-warn: #f59e0b;
    --ss-danger: #b42318;
}

* {
    box-sizing: border-box;
}

body.ss-body,
body.ss-product-body {
    margin: 0;
    min-height: 100vh;
    color: var(--ss-ink);
    background: var(--ss-soft);
    font-family: "ZehnPro", "Inter", "Segoe UI", Arial, sans-serif;
}

button,
input,
select,
textarea {
    font: inherit;
}

.ss-app,
.ss-product-page,
.ss-receipt-page {
    width: min(100%, 520px);
    min-height: 100vh;
    margin: 0 auto;
    background: var(--ss-soft);
}

.ss-app {
    padding: 12px 12px 112px;
}

.ss-topbar,
.ss-product-topbar {
    position: sticky;
    top: 0;
    z-index: 15;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr) 42px;
    gap: 10px;
    align-items: center;
    min-height: 58px;
    margin: -12px -12px 12px;
    padding: 10px 12px;
    border-bottom: 1px solid rgba(215, 224, 234, .82);
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(16px);
}

.ss-product-topbar {
    margin: 0;
}

.ss-topbar strong,
.ss-product-topbar strong,
.ss-topbar span,
.ss-product-topbar span {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ss-topbar strong,
.ss-product-topbar strong {
    font-size: 15px;
    font-weight: 950;
}

.ss-topbar span,
.ss-product-topbar span {
    color: var(--ss-muted);
    font-size: 11px;
    font-weight: 850;
}

.ss-back,
.ss-cart-pill,
.ss-panel-head > button {
    width: 42px;
    height: 42px;
    border: 1px solid var(--ss-line);
    border-radius: 8px;
    background: #fff;
    color: var(--ss-ink);
    cursor: pointer;
}

.ss-back {
    position: relative;
    display: block;
}

.ss-back::before {
    content: "";
    position: absolute;
    inset: 14px 12px 12px 16px;
    border-left: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
}

.ss-cart-pill {
    position: relative;
    display: grid;
    place-items: center;
    text-decoration: none;
}

.ss-cart-pill::before {
    content: "";
    width: 20px;
    height: 18px;
    border: 2px solid var(--ss-ink);
    border-top: 0;
    border-radius: 3px;
}

.ss-cart-pill::after {
    content: "";
    position: absolute;
    top: 12px;
    width: 12px;
    height: 8px;
    border: 2px solid var(--ss-ink);
    border-bottom: 0;
    border-radius: 8px 8px 0 0;
}

.ss-cart-pill span {
    position: absolute;
    right: 5px;
    top: 4px;
    min-width: 18px;
    height: 18px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: var(--ss-warn);
    color: #111827;
    font-size: 10px;
    font-weight: 950;
}

.ss-scan-stage,
.ss-cart-section,
.ss-checkout-panel form,
.ss-key-features,
.ss-receipt-hero,
.ss-receipt-summary,
.ss-staff-receipt,
.ss-items,
.ss-pickup-note {
    border: 1px solid var(--ss-line);
    border-radius: 8px;
    background: var(--ss-paper);
}

.ss-scan-stage {
    padding: 14px;
}

.ss-stage-head span,
.ss-section-title span,
.ss-panel-head span,
.ss-receipt-hero p,
.ss-staff-receipt span {
    color: var(--ss-accent);
    font-size: 11px;
    font-weight: 950;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.ss-stage-head h1,
.ss-section-title h2,
.ss-panel-head h2,
.ss-key-features h2,
.ss-items h2 {
    margin: 3px 0 0;
    font-size: 24px;
    letter-spacing: 0;
}

.ss-camera {
    position: relative;
    height: clamp(260px, 54vh, 420px);
    margin-top: 12px;
    overflow: hidden;
    border-radius: 8px;
    background: #111827;
}

.ss-camera video,
.ss-camera-idle {
    width: 100%;
    height: 100%;
}

.ss-camera video {
    display: block;
    object-fit: cover;
}

.ss-camera-idle {
    display: grid;
    place-items: center;
    align-content: center;
    gap: 12px;
    color: #fff;
}

.ss-camera-idle span {
    width: 74px;
    height: 74px;
    border: 2px solid rgba(255, 255, 255, .82);
    border-radius: 8px;
    box-shadow:
        28px 0 0 -22px #fff,
        0 28px 0 -22px #fff,
        28px 28px 0 -22px #fff;
}

.ss-camera-idle strong {
    font-size: 16px;
    font-weight: 950;
}

.ss-camera-idle small {
    color: rgba(255, 255, 255, .74);
    font-size: 12px;
    font-weight: 850;
}

.ss-frame {
    position: absolute;
    inset: 22%;
    border: 2px solid rgba(255, 255, 255, .9);
    border-radius: 8px;
    box-shadow: 0 0 0 999px rgba(0, 0, 0, .28);
    pointer-events: none;
}

.ss-scan-actions,
.ss-manual-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 10px;
}

.ss-manual-row {
    grid-template-columns: minmax(0, 1fr) 92px;
}

.ss-scan-actions button,
.ss-manual-row button,
.ss-checkout-button,
.ss-submit,
.ss-primary-link,
.ss-secondary-link,
.ss-product-actionbar button {
    min-height: 46px;
    border: 0;
    border-radius: 8px;
    padding: 0 14px;
    background: var(--ss-accent);
    color: #fff;
    font-weight: 950;
    text-decoration: none;
    cursor: pointer;
}

.ss-scan-actions button:nth-child(2),
.ss-secondary-link {
    border: 1px solid var(--ss-line);
    background: #fff;
    color: var(--ss-ink);
}

.ss-manual-row input,
.ss-form-grid input,
.ss-note-field textarea,
.ss-product-actionbar input,
.ss-cart-tools input {
    width: 100%;
    min-height: 46px;
    border: 1px solid var(--ss-line);
    border-radius: 8px;
    background: #fff;
    color: var(--ss-ink);
    font-weight: 850;
    outline: 0;
}

.ss-manual-row input,
.ss-form-grid input {
    padding: 0 12px;
}

.ss-note-field textarea {
    min-height: 76px;
    padding: 10px 12px;
    resize: vertical;
}

.ss-manual-row input:focus,
.ss-form-grid input:focus,
.ss-note-field textarea:focus,
.ss-product-actionbar input:focus {
    border-color: var(--ss-accent);
    box-shadow: 0 0 0 4px rgba(15, 122, 95, .12);
}

.ss-status,
.ss-form-message {
    min-height: 18px;
    margin: 8px 0 0;
    color: var(--ss-muted);
    font-size: 12px;
    font-weight: 850;
}

.ss-cart-section {
    margin-top: 12px;
    padding: 14px;
}

.ss-section-title,
.ss-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.ss-section-title button {
    min-height: 34px;
    border: 1px solid var(--ss-line);
    border-radius: 8px;
    background: #fff;
    color: var(--ss-danger);
    font-weight: 950;
    cursor: pointer;
}

.ss-cart-list {
    display: grid;
    gap: 10px;
    margin-top: 12px;
}

.ss-empty-cart {
    padding: 20px;
    border: 1px dashed #cbd5e1;
    border-radius: 8px;
    color: var(--ss-muted);
    font-weight: 850;
    text-align: center;
}

.ss-cart-item {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 10px;
    align-items: center;
    padding: 8px;
    border: 1px solid #e6edf4;
    border-radius: 8px;
    background: #fff;
}

.ss-cart-image {
    width: 64px;
    height: 64px;
    display: grid;
    place-items: center;
    overflow: hidden;
    border-radius: 8px;
    background: #eef4f8;
    color: var(--ss-accent);
    font-weight: 950;
}

.ss-cart-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ss-cart-copy {
    min-width: 0;
}

.ss-cart-copy strong,
.ss-cart-copy small {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ss-cart-copy strong {
    font-size: 14px;
    font-weight: 950;
}

.ss-cart-copy small {
    margin-top: 3px;
    color: var(--ss-muted);
    font-size: 12px;
    font-weight: 850;
}

.ss-cart-tools {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 38px 64px 38px minmax(82px, 1fr);
    gap: 8px;
}

.ss-cart-tools button,
.ss-cart-tools input {
    min-height: 38px;
    border-radius: 8px;
}

.ss-cart-tools button {
    border: 1px solid var(--ss-line);
    background: #fff;
    color: var(--ss-ink);
    font-weight: 950;
    cursor: pointer;
}

.ss-cart-tools input {
    padding: 0 6px;
    text-align: center;
}

.ss-cart-tools .ss-remove {
    color: var(--ss-danger);
}

.ss-cart-total {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--ss-line);
}

.ss-cart-total span {
    color: var(--ss-muted);
    font-weight: 850;
}

.ss-cart-total strong {
    font-size: 26px;
    font-weight: 950;
}

.ss-checkout-button,
.ss-submit,
.ss-primary-link,
.ss-secondary-link {
    width: 100%;
    display: grid;
    place-items: center;
    margin-top: 12px;
}

.ss-checkout-button:disabled,
.ss-submit:disabled {
    opacity: .46;
    cursor: not-allowed;
}

.ss-checkout-panel {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: grid;
    align-items: end;
    background: rgba(16, 36, 63, .42);
    padding: 12px;
}

.ss-checkout-panel[hidden] {
    display: none;
}

.ss-product-popup {
    position: fixed;
    inset: 0;
    z-index: 45;
    display: grid;
    align-items: end;
    padding: 12px;
    background: rgba(16, 36, 63, .46);
}

.ss-product-popup[hidden] {
    display: none;
}

.ss-product-popup-card {
    width: min(100%, 520px);
    margin: 0 auto;
    border: 1px solid var(--ss-line);
    border-radius: 8px;
    background: #fff;
    padding: 14px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, .22);
}

.ss-product-popup-top {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
}

.ss-popup-image {
    width: 72px;
    height: 72px;
    display: grid;
    place-items: center;
    overflow: hidden;
    border-radius: 8px;
    background: #eef4f8;
    color: var(--ss-accent);
    font-weight: 950;
}

.ss-popup-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ss-product-popup-top strong,
.ss-product-popup-top span {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ss-product-popup-top strong {
    max-height: 44px;
    font-size: 18px;
    line-height: 1.2;
    font-weight: 950;
}

.ss-product-popup-top span {
    margin-top: 4px;
    color: var(--ss-muted);
    font-size: 12px;
    font-weight: 850;
    white-space: nowrap;
}

.ss-product-popup-line {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
    margin-top: 12px;
    padding: 11px 12px;
    border: 1px solid #dce8ef;
    border-radius: 8px;
    background: #f8fbff;
}

.ss-product-popup-line span {
    min-width: 0;
    color: var(--ss-accent);
    font-size: 12px;
    font-weight: 950;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ss-product-popup-line strong {
    color: var(--ss-ink);
    font-size: 20px;
    font-weight: 950;
    white-space: nowrap;
}

.ss-popup-add {
    width: 100%;
    min-height: 48px;
    margin-top: 12px;
    border: 0;
    border-radius: 8px;
    background: var(--ss-accent);
    color: #fff;
    font-weight: 950;
    cursor: pointer;
}

.ss-popup-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 8px;
}

.ss-popup-actions a,
.ss-popup-actions button {
    min-height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid var(--ss-line);
    border-radius: 8px;
    background: #fff;
    color: var(--ss-ink);
    font-weight: 950;
    text-decoration: none;
    cursor: pointer;
}

.ss-checkout-panel form {
    width: min(100%, 520px);
    max-height: calc(100vh - 24px);
    margin: 0 auto;
    overflow: auto;
    padding: 16px;
}

.ss-panel-head > button {
    position: relative;
}

.ss-panel-head > button::before,
.ss-panel-head > button::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    top: 20px;
    height: 2px;
    background: var(--ss-ink);
}

.ss-panel-head > button::before {
    transform: rotate(45deg);
}

.ss-panel-head > button::after {
    transform: rotate(-45deg);
}

.ss-form-grid {
    display: grid;
    gap: 10px;
    margin-top: 14px;
}

.ss-form-grid label,
.ss-note-field {
    display: grid;
    gap: 6px;
}

.ss-form-grid label span,
.ss-note-field span {
    color: var(--ss-muted);
    font-size: 12px;
    font-weight: 950;
}

.ss-choice-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin: 14px 0 0;
    padding: 0;
    border: 0;
}

.ss-choice-group legend {
    grid-column: 1 / -1;
    margin-bottom: 2px;
    color: var(--ss-muted);
    font-size: 12px;
    font-weight: 950;
}

.ss-choice-group label {
    min-height: 58px;
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 10px;
    border: 1px solid var(--ss-line);
    border-radius: 8px;
    background: #fff;
    color: var(--ss-ink);
    font-size: 13px;
    font-weight: 950;
}

.ss-choice-group input {
    width: 18px;
    height: 18px;
    accent-color: var(--ss-accent);
}

.ss-choice-group label:has(input:checked) {
    border-color: var(--ss-accent);
    background: #edf7f3;
}

.ss-choice-group label:has(input:disabled) {
    opacity: .46;
}

.ss-note-field {
    margin-top: 14px;
}

.ss-product-page {
    padding-bottom: 116px;
}

.ss-compact-product {
    display: grid;
    grid-template-rows: minmax(260px, 44vh) auto;
    background: #fff;
}

.ss-compact-media {
    display: grid;
    place-items: center;
    overflow: hidden;
    background: #eef4f8;
    color: var(--ss-accent);
    font-size: 52px;
    font-weight: 950;
}

.ss-compact-media img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.ss-compact-info {
    padding: 16px;
}

.ss-compact-info small {
    color: var(--ss-accent);
    font-size: 11px;
    font-weight: 950;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.ss-compact-info h1 {
    margin: 6px 0 10px;
    font-size: clamp(24px, 7vw, 34px);
    line-height: 1.08;
    letter-spacing: 0;
}

.ss-compact-info > strong {
    display: block;
    font-size: 30px;
    font-weight: 950;
}

.ss-feature-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.ss-feature-row span {
    min-height: 30px;
    display: inline-flex;
    align-items: center;
    border: 1px solid #dde7ef;
    border-radius: 8px;
    padding: 0 10px;
    background: #f8fafc;
    color: var(--ss-muted);
    font-size: 12px;
    font-weight: 900;
}

.ss-key-features {
    margin: 12px;
    padding: 14px;
}

.ss-key-features > div {
    display: grid;
    gap: 8px;
    margin-top: 10px;
}

.ss-key-features article {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid #edf2f7;
}

.ss-key-features article:last-child {
    border-bottom: 0;
}

.ss-key-features span {
    color: var(--ss-muted);
    font-size: 12px;
    font-weight: 850;
}

.ss-key-features strong {
    min-width: 0;
    font-size: 12px;
    font-weight: 950;
    text-align: right;
    word-break: break-word;
}

.ss-product-actionbar {
    position: fixed;
    left: 50%;
    bottom: 0;
    z-index: 20;
    width: min(100%, 520px);
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 10px;
    padding: 12px;
    border-top: 1px solid var(--ss-line);
    background: rgba(255, 255, 255, .96);
    transform: translateX(-50%);
    backdrop-filter: blur(16px);
}

.ss-product-actionbar label {
    display: grid;
    gap: 4px;
}

.ss-product-actionbar label span {
    color: var(--ss-muted);
    font-size: 11px;
    font-weight: 950;
}

.ss-product-actionbar input {
    min-height: 48px;
    padding: 0 8px;
    text-align: center;
}

.ss-product-actionbar button {
    min-height: 66px;
    align-self: end;
}

.ss-receipt-page {
    padding: 14px 12px 28px;
}

.ss-receipt-hero {
    display: grid;
    justify-items: center;
    padding: 24px 16px;
    text-align: center;
}

.ss-success-mark {
    position: relative;
    width: 52px;
    height: 52px;
    display: block;
    border-radius: 8px;
    background: var(--ss-accent);
}

.ss-success-mark::before {
    content: "";
    position: absolute;
    left: 15px;
    top: 24px;
    width: 22px;
    height: 12px;
    border-left: 4px solid #fff;
    border-bottom: 4px solid #fff;
    transform: rotate(-45deg);
}

.ss-receipt-hero p {
    margin: 14px 0 4px;
}

.ss-receipt-hero h1 {
    margin: 0;
    max-width: 100%;
    overflow-wrap: anywhere;
    font-size: clamp(28px, 8vw, 42px);
    letter-spacing: 0;
}

.ss-receipt-hero strong {
    margin-top: 8px;
    font-size: 28px;
    font-weight: 950;
}

.ss-receipt-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    overflow: hidden;
    margin-top: 12px;
    background: var(--ss-line);
}

.ss-receipt-summary div {
    min-width: 0;
    display: grid;
    gap: 3px;
    padding: 12px;
    background: #fff;
}

.ss-receipt-summary span {
    color: var(--ss-muted);
    font-size: 11px;
    font-weight: 950;
    text-transform: uppercase;
}

.ss-receipt-summary strong {
    overflow-wrap: anywhere;
    font-size: 13px;
    font-weight: 950;
}

.ss-staff-receipt {
    margin-top: 12px;
    padding: 14px;
}

.ss-staff-receipt strong,
.ss-staff-receipt p {
    display: block;
}

.ss-staff-receipt strong {
    margin-top: 3px;
    font-size: 16px;
    font-weight: 950;
}

.ec-receipt-barcode {
    width: 100%;
    height: 112px;
    margin-top: 12px;
    border: 1px solid var(--ss-line);
    border-radius: 8px;
    background: #fff;
}

.ss-order-qr {
    width: min(220px, 72vw);
    aspect-ratio: 1;
    display: block;
    margin: 14px auto 0;
    border: 1px solid var(--ss-line);
    border-radius: 8px;
    background: #fff;
    padding: 10px;
}

.ss-staff-receipt p {
    margin: 8px 0 0;
    color: var(--ss-muted);
    font-family: Consolas, "Courier New", monospace;
    font-size: 13px;
    font-weight: 850;
    text-align: center;
}

.ss-items {
    display: grid;
    gap: 8px;
    margin-top: 12px;
    padding: 14px;
}

.ss-items h2 {
    margin-bottom: 4px;
}

.ss-items article {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid #edf2f7;
}

.ss-items article:last-child {
    border-bottom: 0;
}

.ss-items article div {
    min-width: 0;
}

.ss-items article strong,
.ss-items article span {
    display: block;
}

.ss-items article strong {
    font-size: 14px;
    font-weight: 950;
}

.ss-items article span {
    margin-top: 3px;
    color: var(--ss-muted);
    font-size: 12px;
    font-weight: 850;
}

.ss-items article b {
    white-space: nowrap;
    font-size: 13px;
}

.ss-pickup-note {
    display: grid;
    gap: 3px;
    margin-top: 12px;
    padding: 14px;
}

.ss-pickup-note strong {
    font-size: 15px;
    font-weight: 950;
}

.ss-pickup-note span {
    color: var(--ss-muted);
    font-size: 12px;
    font-weight: 850;
}

@media (min-width: 760px) {
    .ss-app,
    .ss-product-page,
    .ss-receipt-page {
        margin-top: 18px;
        margin-bottom: 18px;
        min-height: calc(100vh - 36px);
        border: 1px solid var(--ss-line);
        border-radius: 8px;
        overflow: hidden;
    }

    .ss-product-actionbar {
        bottom: 18px;
        border: 1px solid var(--ss-line);
        border-radius: 8px 8px 0 0;
    }
}

@media (max-width: 420px) {
    .ss-choice-group,
    .ss-receipt-summary {
        grid-template-columns: 1fr;
    }

    .ss-cart-tools {
        grid-template-columns: 38px 58px 38px;
    }

    .ss-cart-tools .ss-remove {
        grid-column: 1 / -1;
    }
}